<template>
  <thead>
        <tr>
          <th><input type="checkbox" v-model="isAll"/> <span>全选</span></th>
          <th>名称</th>
          <th>价格</th>
          <th>数量</th>
          <th>总价</th>
          <th>操作</th>
        </tr>
      </thead>
</template>

<script>
export default {
  props:{
    goodList:{
      type:Array,
      required:true
    }
  },
  computed:{
    isAll:{
      //单选控制全选
      get(){
      return  this.goodList.every(item=>item.checked===true)
      },
      //全选控制单选
      set(val){
       return this.$emit('changeChecked',val)

      }
    }
  }

}
</script>

<style>

</style>